Data
Plumbing companies in New Hampshire
There are 896 plumbing companies in New Hampshire (CityPreferred count, October 2026). Manchester has the most (70), then Nashua (40).
Reviewed October 1, 2026
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New Hampshire cities
| City | Companies |
|---|---|
| Manchester | 70 |
| Nashua | 40 |
| Concord | 26 |
| Portsmouth | 23 |
| Hooksett | 22 |
| Merrimack | 21 |
New Hampshire and the rest of the country
New Hampshire has 896 of the 185,402 plumbing companies in the country (0%). All states.
What is counted
Independent businesses that do this work, for homes or for businesses. Suppliers, stores and national chains are left out. Being counted does not mean a company is licensed, insured or recommended. A city is listed when it has 20 or more. How we count.
Questions and answers
- How many plumbing companies are there in New Hampshire?
- 896, by CityPreferred's count as of October 2026.
- Which New Hampshire city has the most?
- Manchester, with 70, followed by Nashua with 40.